Billy

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27 Answers

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1
A question about direct sums of subspaces…
0
Find $u\in\mathbb{R}$ such that $\mathbb{Q}(u) = \mathbb{Q}(2^{1/2}, 5^{1/3})$.
8
Homomorphism from $\mathbb{Z}/n\mathbb{Z}$
2
How do you graph $x + y + z = 1$ without using graphing devices?
2
Infinitely many primes of the form $4n+3$
0
Is iteration process through equal sign possible?
0
Determine no. elements in $ \operatorname{Aut}(H)$ where $H$ is the 6 point/5line graph in the shape of H
1
Euclidean Metric satisfying the Triangle Inequality - Is there missing details in the proof given here?
2
Zero Divisor Rings
3
How can I solve this system of non-linear equations?
2
Find an orthogonal vector to 2 vector
0
Relationship between two variables that does not seem correlated
0
complex maths puzzle problems
1
How to find nearest point on line of rectangle from anywhere?
1
Distance between point and line in the complex plane
0
Why are these two equivalent? (Modular multiplicative inverse)
4
Can someone explain what this paragraph is saying more clearly?
1
Consider all the elements of a set
14
Why don't we define “imaginary” numbers for every “impossibility”?
1
Can someone intuitively explain the towers of Hanoi and how a proof by induction can be used?
2
The concept of infinity
3
What does it mean mathematically to set some of the integration constants in the general solution to a linear differential equation, equal to zero?
6
How do you calculate the modulo of a high-raised number?
0
Find all subgroups of $\mathbb{Z}\times\mathbb{Z}$.
7
What's the probability that the other side of the coin is gold?
7
Find all subgroups of $\mathbb{Z}\times\mathbb{Z}$.
4
Extending a group action to a quotient group